how do i comment on websites outside of facebook as my facebook page and not myself?

[Mark]

i can comment as the name i use on facebook, but not my facebook page

[Aj]

If I understand correctly your mixing two separate entities, ideas. I believe you want two facebook accounts, 1 personal, other for reason you want to use that page when making a comment.

It's same as if your in a business. each gets there own account even though they are the same person administering.